2124132144421 has 4 divisors (see below), whose sum is σ = 2427579593632. Its totient is φ = 1820684695212.

The previous prime is 2124132144383. The next prime is 2124132144443. The reversal of 2124132144421 is 1244412314212.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2124132144421 - 2¹³ = 2124132136229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2124132114421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151723724595 + ... + 151723724608.

It is an arithmetic number, because the mean of its divisors is an integer number (606894898408).

Almost surely, 2^{2124132144421} is an apocalyptic number.

It is an amenable number.

2124132144421 is a deficient number, since it is larger than the sum of its proper divisors (303447449211).

2124132144421 is an equidigital number, since it uses as much as digits as its factorization.

2124132144421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303447449210.

The product of its digits is 12288, while the sum is 31.

Adding to 2124132144421 its reverse (1244412314212), we get a palindrome (3368544458633).

The spelling of 2124132144421 in words is "two trillion, one hundred twenty-four billion, one hundred thirty-two million, one hundred forty-four thousand, four hundred twenty-one".